Updated the POM's to remove a duplicate dependency declaration and to bring the Apache Pool Support under dependency management.
Moved the Apache Pool Support dependencies in the repose-aggregator POM to the dependency management section.
Added the Apache Pool Support dependencies to the POM's that actually required it.
Merge pull request #1155 from rackerlabs/ApachePoolPomUpdate

Updated the POM's to remove a duplicate dependency declaration and to br...